Two investment advisers are comparing performance. One averaged a 21% rate of return and the other a 18% rate of return. However, the beta of the first investor was 1.4, whereas that of the second investor was 1. a. Can you tell which investor was a better selector of individual stocks (aside from the issue of general movements in the market)? First investor Second investor Cannot determine b. If the T-bill rate was 7% and the market return during the period was 13%, which investor would be considered the superior stock selector? Second investor First investor Cannot determine c. What if the T-bill rate was 4% and the market return was 17%? First investor Second investor Cannot determine

1. which one of the following would be an example of a supply-side market failure? a. a gas station is slowly leaking diesel fuel from its underground tanks, and after the leak is discovered, the business immediately cleans up the pollution at its own expense. b. a gas station is slowly leaking diesel fuel from its underground tanks, but the state uses taxpayer money to clean up the pollution rather than requiring the business to pay. c. your business wants to attract repeat customers by putting on a customer-appreciation picnic at a public park, but you decide not to because you couldn't prevent noncustomers from consuming the food and entertainment you provided. d. everyone rushes to the local retail outlet at midnight on the day of the release of a new video game console, and the store runs out before everyone is able to buy one.